Water purification cartridge



FIG. 1 is a perspective view of a water purification cartridge;

FIG. 2 is a perspective view of the water purification cartridge of FIG. 1;

FIG. 3 is a front elevational view of the water purification cartridge of FIG. 1;

FIG. 4 is a rear elevational view of the water purification cartridge of FIG. 1;

FIG. 5 is a right side elevational view of the water purification cartridge of FIG. 1;

FIG. 6 is a left side elevational view of the water purification cartridge of FIG. 1;

FIG. 7 is a top plan view of the water purification cartridge of FIG. 1; and,

FIG. 8 is a bottom plan view of the water purification cartridge of FIG. 1.

The broken line of the water purification cartridge in FIGS. 1 and 7 forms no part of the claimed design. 

The ornamental design for a water purification cartridge, as shown and described. 